Edexcel A Level Physics:复习笔记2.2 Motion Graphs
Motion Graphs Three types of graph that are used to represent motion are displacement-time graphs, velocity-time graphs and acceleration-time graphs Graphs are named 'y-axis - x-axis', so 'displace...
Edexcel A Level Physics:复习笔记2.1 Equations of Motion
Equations of Motion The kinematic equations of motion are a set of four equations which can describe any object moving with constant acceleration They are often referred to as the 'suvat' equations...
Edexcel A Level Physics:复习笔记1.8 Science & Society
Science Informs Decision Making Society makes decisions based on scientific evidence This is why the evidence must be thoroughly tested and trusted Scientific work leads to important discoveries th...
Edexcel A Level Physics:复习笔记1.7 The Scientific Community
Validating Experimental Results The scientific community works together to ensure that the knowledge and understanding of scientific concepts are kept as up to date as possible This comes from cont...
Edexcel A Level Physics:复习笔记1.6 Applications of Science
Applications of Science Investigations & Evaluations An application of science involves using scientific knowledge to carry out an investigation For example, developing a new type of radiothera...
Edexcel A Level Physics:复习笔记1.5 Scientific Communication
Scientific Communication Scientific communication of the results of an experiment are extremely important The ideas must be communicated in an appropriate way using appropriate terminology This inv...
Edexcel A Level Physics:复习笔记1.4 Limitations of Measurements
Limitations of Measurement Types of Error Measurements of quantities are made with the aim of finding the true value of that quantity In reality, it is impossible to obtain the true value of any qu...
Edexcel A Level Physics:复习笔记1.3 Estimating Physical Quantities
Estimate Physical Quantities There are important physical quantities to learn in physics They are particularly useful when making estimates A few examples of useful quantities to memorise ar...
Edexcel A Level Physics:复习笔记1.2 Practical Skills
Practical Skills Using Equipment Good practical skills involves choosing the right equipment Knowing how to use it for a physics experiment is crucial When using measuring instruments, it is import...
Edexcel A Level Physics:复习笔记1.1 SI Units
SI Units Everytime a quantity is measured or calculate, it must be quoted with its units All units in Physics can be reduced to seven base units from which every other unit can be derived These oth...
Edexcel A Level Economics A:复习笔记4.5.4 Macroeconomic Policies in a Global Context
Macroeconomic Policies in a Global Context Due to globalisation, economies do not operate in isolation but are highly interdependent This means that the effectiveness of any of the macroeconomic po...
Edexcel A Level Economics A:复习笔记4.5.3 Public Sector Finances
Public Sector Finance Terminology Distinction between automatic stabilisers & discretionary fiscal policy Automatic stabilisers: these are automatic fiscal changes as the economy moves t...
